#include <iostream>
#include <cstring>
#include <cmath>
using namespace std;

class Ellipse
{
private:
  int x, y, l_r,s_r;

public:
  Ellipse(int, int, double, double);
  double Area(double,double);
};

Ellipse::Ellipse(int x,int y,double l_r,double s_r)
{
  this->x = x;
  this->y = y;
  this->l_r = l_r;
  this->s_r = s_r;
}

double Ellipse::Area(double lr, double sr)
{
  
}